GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25636dd709f3b95b414fde671bf19d4d8e5005bd78ea93fa289d2dfee53e6cad6e6
MD5a5b7a9117b547723f65498ca699071cb
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name36dd709f3b95b414fde671bf19d4d8e5005bd78ea93fa289d2dfee53e6cad6e6
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 36dd709f3b95b414fde671bf19d4d8e5005bd78ea93fa289d2dfee53e6cad6e6
  • MD5: a5b7a9117b547723f65498ca699071cb

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: 36dd709f3b95b414"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "36dd709f3b95b414fde671bf19d4d8e5005bd78ea93fa289d2dfee53e6cad6e6"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 36dd709f3b95b414fde671bf19d4d8e5005bd78ea93fa289d2dfee53e6cad6e6 # MD5 a5b7a9117b547723f65498ca699071cb
TypeValueNote
sha256 36dd709f3b95b414fde671bf19d4d8e5005bd78ea93fa289d2dfee53e6cad6e6 Sample:GandCrab
md5 a5b7a9117b547723f65498ca699071cb Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi